Levy J H, Pisacano A M, Chadwick K
J Cataract Refract Surg. 1994 Nov;20(6):630-3. doi: 10.1016/s0886-3350(13)80652-9.
We evaluated postoperative keratometric astigmatism in 80 eyes that had phacoemulsification and intraocular lens implantation through sutureless corneal incisions. The eyes were separated into two groups based on the use of rigid ovoid or foldable silicone lenses inserted through 5.1 mm corneal lip incisions or 3.5 mm lip incisions, respectively. In the early postoperative period (one to three months), vector analysis showed less induced astigmatism in the 3.5 mm group than in the 5.1 mm group. Uncorrected visual acuity during the postoperative period was also better in the smaller incision group.
我们评估了80只通过无缝合角膜切口进行超声乳化白内障吸除及人工晶状体植入术的眼睛术后的角膜散光情况。根据分别通过5.1毫米角膜缘切口或3.5毫米角膜缘切口植入的硬性椭圆形或可折叠硅胶晶状体的使用情况，将这些眼睛分为两组。在术后早期（1至3个月），矢量分析显示3.5毫米组诱导的散光少于5.1毫米组。术后较小切口组的未矫正视力也更好。
